Home / 909,324.36-1,363,839.60-429,551.16

Finding the Fourth Proportional to 909,324.36, 1,363,839.60 and 429,551.16

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Solution

The fourth proportional to 909,324.36, 1,363,839.60 and 429,551.16 is: 644,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,324.36 : 1,363,839.60 = 429,551.16 : x
  2. Step 2: Convert to fraction form
    909,324.36/1,363,839.60 = 429,551.16/x
  3. Step 3: Cross multiply
    909,324.36x = 1,363,839.60 × 429,551.16
  4. Step 4: Simplify right side
    909,324.36x = 585,838,882,233.94
  5. Step 5: Solve for x
    x = 585,838,882,233.94/909,324.36
  6. Step 6: Final answer
    x = 644,257.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.